Adaptive control circuit for a stepping motor

Details Adaptive control circuit for a stepping motor Adaptive control circuit for a stepping motor

G - Physics

05

B

318/18

G05B 13/02 (2006.01) G05B 19/23 (2006.01) G05B 19/40 (2006.01) G06K 15/06 (2006.01) H02P 8/00 (2006.01)

Patent

CA 1055564

ADAPTIVE CONTROL CIRCUIT FOR A STEPPING MOTOR ABSTRACT OF THE DISCLOSURE Adaptive control circuit for a stepping motor in which each motor displacement from a present position to a target position is monitored and the proportion of ac- celeration signals to deceleration signals is modified as necessary to obtain minimal elapsed time during motor movement. Each designated motor displacement is assigned a corresponding number of acceleration signals which are applied to move the motor. Then during a subsequent homing of the motor, the motor displacement is monitored and the number of acceleration signals previously applied is either altered or left unchanged as a result of com- parison between this displacement and a standard. The adaptive control circuit is shown as applied to printing apparatus in which a print disk is variously rotated by a first stepping motor mounted on a carrier and the carrier is moved along a print line by a second stepping motor.

255551

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